Precautions

It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.

This medicine may lower the number of white blood cells in your blood. This may increase your chance of getting an infection. If you can, avoid people with infections. Check with your doctor right away if you have a fever or chills, cough or hoarseness, lower back or side pain, or painful or difficult urination.

This medicine may cause skin flushing. Tell your doctor right away if you have warmth, redness, itching, or a burning sensation in your face, neck, arms, or upper chest while using this medicine.